The universe is everything. Even if the universe truly were finite, that still wouldn’t mean it has any real boundaries. There are two sources of truth: science and religion. That’s a number so big that you can’t actually write it out with all the pencils in the Universe. And my brain has already begun to melt in anticipation of discussing the implications of an infinite Universe. To begin with, you need the additional hypothesis that *all* matter in such infinite universe is made from a *finite* set of elementary particles. I think that whether we consider the “Universe” infinite or finite is dependent on what we define as the Universe. Definitely. It is finite, … Based on this, our Universe is 93 billion light-years across. Alright, in a box of space about yay big (show with hands), there’s a finite number of particles that can possibly exist in that region, and those particles can have a finite number of configurations considering their spin, charge, position, velocity and so on. —Michael Pick, New York, NY It is a truly awesome concept that the universe is expanding. A rational answer to these questions is that there is something beyond the material universe — a creator, an unlimited being that shares of itself … If our Universe consists of our Known stars or that which we can see, or what seems to be part of our Big Bang, then it is finite. Sometimes I think we stretch out our minds to contemplate that which is beyond our comprehension or ability to prove, because we don’t want to dwell on our limitations. However, accepting that the duplicate would be there at a finite distance, the total distance between you and the nth duplicate is also clearly finite (although I’ll cede that “n” being undefined, the distance could be considered “nthfinite”) So far, astronomers have no idea what the answer is, but they’re working towards it and maybe someday they’ll be able to tell us. When I was a schoolboy in the sixties, I wanted the universe to be bounded on the surface volume of of a 4D sphere, with time as the radius vector. There’s no such thing as “expanding into something.”. God created the universe but it isn’t infinite. In simple terms, this means that all matter looks the same no matter where you look. The closest thing to randomness that I observe are the actions of living organisms. Posted by 2 hours ago. Galaxies “appear” to be moving further apart, but not because of a “big bang.”. Also, as has been mentioned in earlier posts, there is a “start” point, so bounded at t=0 therefore finite. They say that children are the future. And all of me agree. We don’t even need multiverses to find them. That’s to say its fabric, spacetime, curves back on itself in any of 18-or-so potential shapes, like a donut, or möbius strip. Once thought extinct, this cat is …, We have found some of the best Amazon exercise equipment, all at very affordable prices. Since every object, regardless of mass, is surrounded by gravitational energy, a supposed closure to the universe would be pretty disastrous. The expansion of the Universe has carried them from 47.5 billion light years away. Big Bang II? Infinite is but an excuse for the unknown. Does it have an edge? Close. The Universe has been expanding all this time, but that expansion rate is both finite and well-measured. It can last for an incredibly long time, no pun intended. Cosmology - Cosmology - Finite or infinite? The other comments seem to be from scientists, which as an MD, I only pretend to be. I’m referring to crossing, or perhaps I should have better said passing through, an infinity of time. Thirty years ago it was widely believed that our spatial universe is the finite 3D hypersurface of a 4D hypersphere—analogous to being the finite … Assuming a finite universe, the universe can either have an edge or no edge. IS THE UNIVERSE EXPANDING, CAUSE I THOUGHT IT WAS INFINITE? We can’t see beyond that because we can’t see past where nothing exist. Because we cannot observe space beyond the edge of the observable universe, it is unknown whether the size of the universe in its totality is finite or infinite. This is similar to the surface of earth but with another dimension. We do not know what, if anything exists beyond 15 billion light year radius from the epicenter of the Big Bang. Then I will assume that not one bit of matter that was thrown out by the Big Bang will escape it. [59] That being said, it’s pretty much impossible for us to ever reach the end of the universe if it does exist. Furthermore it can only occupy a finite amount of space. I was just thinking recently that since the universe is expanding, doesn’t that mean new “space” is being “created” all the time?! You could also follow up statements like that with all kinds of crass shenanigans. On the other hand the Cosmos, which I prefer to think of as the dark of space is probably infinite. And although most of them are scratching their heads trying to figure out a reason, most of them find dark energy as the “culprit.” What are we talking ahead? A rational answer to these questions is that there is something beyond the material universe — a creator, an unlimited being that shares of itself with us. In another episode of Guide to Space, we talked: “how big is our Universe”. So, BIG, yes, but definitely finite. They were also the first to bring up one of the greatest debates (and disputes) regarding the nature of the universe. Additionally, the thinking now seems to be that the Universe is both centerless and edgeless. I have conclude the the universe cannot disobey its own laws. I’m suggesting Fraser does another post, in which he asks whether randomness exist or not. And if its finite, what is beyond it(s borders)? Think of the universe as the surface of a sphere. Infinity may exist in a greater reality that has given rise to our universe. In a cubic meter (or yard) of space. And it just might be infinite. We would see the constant distortions of matter if the laws were different. If the universe is finite, what would beyond the edge of the universe be like? We’re still struggling to figure these things out, so let’s struggle together. Whether the Universe is finite or infinite is an important question, and either outcome is mindblenderingly fun. If the universe is curved, according to the new paper, it curves gently. From our standpoint they are observationally superimposed. It seems any point in infinite time would have infinity behind it, and ahead of it. Actually, it’s probably still not enough pencils. How can the universe be 93 billion light-years across if it is only 13.8 billion years old? You assume that we must have travelled an infinite distance to conclude that we must have travelled an infinite distance. Click to share on Facebook (Opens in new window), Click to share on Pocket (Opens in new window), Click to share on Twitter (Opens in new window), Click to share on LinkedIn (Opens in new window), Click to share on Tumblr (Opens in new window), Click to share on Pinterest (Opens in new window), Click to share on Reddit (Opens in new window), Click to email this to a friend (Opens in new window), No, a Giant Asteroid Isn’t Going to “Skim” Earth on Friday, http://www.universetoday.com/119297/how-do-we-know-dark-matter-exists/comment-page-1/, http://www.todayinsci.com/E/Einstein_Albert/EinsteinsUniverse-NYT2Feb1921.htm, Creative Commons Attribution 4.0 International License. But even if you assume the same finite number of elementary particles throughout the entire (infinite) universe, the argument still fails, because there’s no law that requires a given configuration to repeat itself. 4 minutes ago. 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